The "SKAD" test unit contents
	1 - connection coupling (М45х3 thread) with a sealing ring and a cap; 2 - negative-positive pressure switcher; 3 - negative-positive pressure release button; 4 - mbar gauge; 5 - pump handle with clamper; 6 - reduced pressure release button; 7 - quick release connector; 8 - medium gauge; 9 - timer (mechanical); 10 - compartment for accessories.